X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.h;h=ad76085bd86bbf08fae48ea02044a92a16e85dfb;hp=94a0e5f9548afb864361ae826f2cef914703a302;hb=9ba7f701ead00fd4a59841d457d15a15d3b84378;hpb=c1b60269a26b2ba1c8882b8f382f0e3e435c1962 diff --git a/src/movepick.h b/src/movepick.h index 94a0e5f9..ad76085b 100644 --- a/src/movepick.h +++ b/src/movepick.h @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2009 Marco Costalba + Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,25 +17,13 @@ along with this program. If not, see . */ - #if !defined MOVEPICK_H_INCLUDED #define MOVEPICK_H_INCLUDED -//// -//// Includes -//// - #include "depth.h" #include "history.h" -#include "lock.h" #include "position.h" - -//// -//// Types -//// - -struct EvalInfo; struct SearchStack; /// MovePicker is a class which is used to pick one legal move at a time from @@ -51,69 +39,24 @@ class MovePicker { MovePicker& operator=(const MovePicker&); // silence a warning under MSVC public: - - enum MovegenPhase { - PH_TT_MOVE, // Transposition table move - PH_MATE_KILLER, // Mate killer from the current ply - PH_GOOD_CAPTURES, // Queen promotions and captures with SEE values >= 0 - PH_KILLERS, // Killer moves from the current ply - PH_NONCAPTURES, // Non-captures and underpromotions - PH_BAD_CAPTURES, // Queen promotions and captures with SEE values < 0 - PH_EVASIONS, // Check evasions - PH_QCAPTURES, // Captures in quiescence search - PH_QCHECKS, // Non-capture checks in quiescence search - PH_STOP - }; - - MovePicker(const Position& p, bool pvnode, Move ttm, Depth d, const History& h, SearchStack* ss = NULL); + MovePicker(const Position& p, Move ttm, Depth d, const History& h, SearchStack* ss, Value beta); + MovePicker(const Position& p, Move ttm, Depth d, const History& h); Move get_next_move(); - Move get_next_move(Lock& lock); - int number_of_moves() const; - Bitboard discovered_check_candidates() const; - - static void init_phase_table(); private: void score_captures(); void score_noncaptures(); void score_evasions(); - void score_qcaptures(); - Move pick_move_from_list(); + void go_next_phase(); const Position& pos; const History& H; - Move ttMove, mateKiller, killer1, killer2; - Bitboard pinned, dc; - MoveStack moves[256], badCaptures[64]; - bool pvNode; - Depth depth; - int phaseIndex; - int numOfMoves, numOfBadCaptures; - int movesPicked; - bool checkKillers, checkLegal; - bool finished; + Bitboard pinned; + MoveStack ttMoves[2], killers[2]; + int badCaptureThreshold, phase; + const uint8_t* phasePtr; + MoveStack *curMove, *lastMove, *lastGoodNonCapture, *badCaptures; + MoveStack moves[MOVES_MAX]; }; - -//// -//// Inline functions -//// - -/// MovePicker::number_of_moves() simply returns the numOfMoves member -/// variable. It is intended to be used in positions where the side to move -/// is in check, for detecting checkmates or situations where there is only -/// a single reply to check. - -inline int MovePicker::number_of_moves() const { - return numOfMoves; -} - -/// MovePicker::discovered_check_candidates() returns a bitboard containing -/// all pieces which can possibly give discovered check. This bitboard is -/// computed by the constructor function. - -inline Bitboard MovePicker::discovered_check_candidates() const { - return dc; -} - #endif // !defined(MOVEPICK_H_INCLUDED)